X0609 4 2026-09-23 0 0001039684 ONEOK INC /NEW/ OKE 0001387587 Taylor Lyndon C false 100 WEST FIFTH STREET TULSA OK 74103 0 1 0 0 See Remarks 0 Common Stock, par value $0.01 2026-09-23 4 M 0 6369 A 12182.003 D Common Stock, par value $0.01 2026-09-23 4 F 0 2793 90.09 D 9389.003 D RSU 2025-S 2026-09-23 4 M 0 6369 D Common Stock, par value $0.01 6369 24242 D Restricted units awarded under the Issuer's Equity Incentive Plan on 9/23/25. Twenty percent of the award vested on 9/23/2026. During the vesting period, the award was credited with dividend equivalents that were paid out in shares of common stock at the time the underlying units vested and were issued. The award and credited dividend equivalents were payable in one share of the Issuer's common stock for each vested restricted unit, including additional restricted units resulting from dividend equivalents. Executive Vice President and Chief Legal Officer /s/ Sarah M. Rechter, Attorney-in-Fact for Lyndon C. Taylor 2026-09-24